Home / 5,447.45-8,170.36-1,749.18

Finding the Fourth Proportional to 5,447.45, 8,170.36 and 1,749.18

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Solution

The fourth proportional to 5,447.45, 8,170.36 and 1,749.18 is: 2,623.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.45 : 8,170.36 = 1,749.18 : x
  2. Step 2: Convert to fraction form
    5,447.45/8,170.36 = 1,749.18/x
  3. Step 3: Cross multiply
    5,447.45x = 8,170.36 × 1,749.18
  4. Step 4: Simplify right side
    5,447.45x = 14,291,430.30
  5. Step 5: Solve for x
    x = 14,291,430.30/5,447.45
  6. Step 6: Final answer
    x = 2,623.51

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.